1) Deformation enhanced ferrite transformation
形变强化铁素体相变
1.
Deformation enhanced ferrite transformation (DEFT) and intragranular nucleation mechanism of alloying elements were used to study the microstructure evolution law of low carbon microalloyed steel by single-pass and multi-pass thermal simulation experiments.
本文以低碳微合金钢为研究对象,以形变强化铁素体相变(DeformationEnhanced Ferrite Transformation/DEFT)与微合金元素的晶内形核理论为指导,利用热模拟单道次变形与多道次变形的试验方法,系统研究基于DEFT的微合金钢组织演变规律及其细晶机理,纳米析出相(纳米粒子)、形变条件和化学成分对组织超细化的影响。
2.
A kind of ferrite steel plate with ultra-fine grain structure and prominent tensile strength about 750MPa was developed by using deformation enhanced ferrite transformation ultra-fine grain rolling technology.
采用形变强化铁素体相变超细晶轧制工艺,获得了750MPa级超细晶铁素体钢板,其超细晶铁素体体积比高达93%,晶粒尺寸仅为1μm,并具有优异的成形性能。
2) deformation induced ferrite transformation(DIFT)
形变诱导铁素体相变
1.
The microstructure evolution,precipitation behavior of carbonitride as microalloying element and its effects on deformation induced ferrite transformation(DIFT) of mild steels with various Nb,V(N) content were investigated on a Gleeble 1500 thermechanical simulator through multi-pass thermo-compression in the temperature range of 820～790℃ to simulate the finish rolling process of plates.
在Gleeble 1500热模拟机上,通过820~790℃温度范围内的多道次热压缩变形模拟了中厚板的精轧工艺,考察了不同铌、钒(氮)含量的低碳钢的组织演变过程、微合金元素的碳氮化物的析出行为和对形变诱导铁素体相变(DIFT)的影响。
3) deformation induced ferrite transformation
形变诱导铁素体相变
1.
A series of unidirectional compression tests of a low carbon steel Q235 were performed on a Gleeble 3500 thermal simulator, and the influences of strain, strain rate and deformation temperature (above the isothermal transformation temperature Ae3 from austenite to ferrite) on deformation induced ferrite transformation (DIFT) have been examined.
通过对低碳钢Q235的单向压缩实验,研究了应变、应变速率和变形温度(高于奥氏体铁素体平衡转变温度Ae3)对形变诱导铁素体相变的影响,通过光学显微镜、扫描电子显微镜和X射线衍射仪研究了热变形试样的微观组织结构,利用纳米压痕仪测定了形变诱导铁素体和先共析铁素体的纳米压痕硬度和弹性模量。
2.
In order to investigate the carbon diffusion during the deformation induced ferrite transformation, the electron probe microanalysis technique was used to measure the carbon concentration distribution in the microstructure of the specimen which experienced a hot compression process on the thermomechanical simulator (Gleeble 1500).
这表明在形变诱导铁素体相变过程中,碳没有发生明显的从铁素体向奥氏体扩散。
4) deformation induced ferrite transformation
变形诱导铁素体相变
1.
Effects of the status of Nb in deformed austenite on deformation induced ferrite transformation (DIFT) have been studied with Gleeble 2000 simulator, optical microscopy, TEM on pipeline steel X65.
通过Gleeble2000热模拟实验机,研究了X65管线钢中Nb在变形奥氏体中的析出状态对变形诱导铁素体相变(DIFT)的影响。
2.
The microstructure evolution during deformation induced ferrite transformation (DIPT) for a Nb mi croalloyed low carbon steel was investigated by thermal simulating tests, then compared with the microstructure evolution during continuous cooling transformation of work hardening austenite.
本文利用热模拟单向压缩实验,研究了一种Nb微合金钢变形诱导铁素体相变(DIFT)组织演变的基本特征,并与变形奥氏体连续冷却相变中的组织变化进行了比较。
5) ferrite transformation
铁素体相变
1.
Simulation of the ferrite transformation temperature during continuous cooling;
连续冷却过程中铁素体相变温度的模拟
6) Ferrite Deformation
铁素体变形
1.
Model of Dynamic Recrystallization Critical Strain in Ferrite Deformation of Ti-IF Steel;
Ti-IF钢铁素体变形动态再结晶临界应变模型
2.
The dynamic models of static recrystallization for Ti-IF steels in multi-pass ferrite deformation were deduced on the basis of experiments.
在实验的基础上建立了超低碳Ti-IF钢多道次铁素体变形时静态再结晶动力学模型。
补充资料：形变强化
workinghardening：随着塑性变形量的增加，金属流变强度也增加，这种现象称为形变强化或加工硬化。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条